These games are part of ongoing research to turn games into perception polling systems. Play by using the [arrow keys], clicking your mouse or tapping your finger. To fire press [space] or click/tap on the ship.
These games record each session and log your performance. They inform a system that analysis people's perception of news articles. When you are done, click quit to see how you compare to others. The goal is to create a system that records people's perception of data in ways that are harder for computers to do. For more information about this research, take a look at the following on human computation games:

• Grace, L., Jamieson, P. 2014. Gaming with Purpose: Heuristic Understanding of Ubiquitous Game Development and Design for Human Computation. IEEE Handbook of Digital Games, Wiley (2014) [pdf]